A New Halogen-Free Chemical Oscillator: The Reaction between Sulfide Ion and Hydrogen Peroxide in a CSTR

Miklós Orbán, Irving R. Epstein

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

Periodic oscillation and bistability occur in the potentials of Pt redox, pH, and sulfide ion selective electrodes when sulfide ion reacts with hydrogen peroxide in a continuous flow stirred tank reactor. The S2--H2O2 system is one of the few known and probably the simplest of the non-halogen chemical oscillators. It is the first of these systems to show bistability and the only chemical oscillator known to oscillate between acid and basic pH.

Original languageEnglish
Pages (from-to)2302-2305
Number of pages4
JournalJournal of the American Chemical Society
Volume107
Issue number8
DOIs
Publication statusPublished - Apr 1985

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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